Explore this neat piece of glass, Clairmont ISCO 140-420mm T2.7 PL full-frame lens that is for sale. We found it on the JUST CINEMA LENSES FB group and have decided to share it with our readers. We DO NOT have any partnership or affiliate with the seller. Nevertheless, it’s a special lens so you might be enjoying just reading about it. So take a look.

According to the seller (Cole Cyccone), the full name of this lens is Isco/Clairmont Special 140-420mm T2.7 PL Zoom FF. This is the description stated by Cole: “This beast is a custom made lens from Clairmont manufactured by ISCO Germany before they were bought by Schneider around the same time they were making optics for NASA. It was made to compete with the Panavision SLZ3 and Hawk 150-450 and in the little booklet of literature, it claims to be a True T2.7 all the way through and claims the SLZ3 or Hawk wasn’t. In reality the lens ramps just a touch at the long end. It covers full-frame all modes on the Venice and cuts the corners just a touch on Alexa LF OG. 4.5K 2:39 and UHD 16:9 look great on the LF. Can take 58mm internal filters to get extra ND  otherwise, 6×6 clip-on matteboxes can be used”.

Cole says that the Clairmont ISCO 140-420mm T2.7 is a very nice performing with neutral tones and a beautiful look. As stated by Cole: “There is zero focus breathing and it is 100% parfocal. Zero distortion through the range, unlike the Angenieux 12x. It holds light on bright edges amazingly and is an extremely high-performing lens. Close focus is about 10’6″. There’s no lens (prime or zoom) in this range that performs better than this lens. It is a very large lens weighing about 43 lbs and about 55lbs with the included custom Ronford Baker unified support plate that supports the lens and camera on the same platform for the best possible support. The lens has a fully geared iris, focus, and zoom. It doesn’t have a focus collar but has rod mounts on the plate for motors. The focus throw is about 340º. Zoom and focus are surprisingly light so you won’t need crazy strong motors or anything. There is a fluid zoom drive built onto the lens for added protection against gravitational zoom drift and shipping”.

Cole adds that: “It is in great shape with minimal cosmetic flaws, only light coating marks, etc from use. Focuses and zooms very smooth, especially considering how much glass you’re moving. Was serviced by Keslow until sold off. It’s properly collimated and hits its marks through the range. Image is phenomenal it performs incredibly. Way less distortion than Angenieux 12:1, in fact, it has virtually no distortion. Nice colors with medium contrast and nice flares if you hit it directly. Otherwise, it controls flares nicely. No light bleed on hard edges, almost no chromatic aberration, doesn’t breathe at all. An incredibly well-performing lens and extremely rare — I believe there are maybe 4 in existence. Extremely high-quality German-engineered optics available for sale for the first time ever”.

The  Clairmont ISCO 140-420mm T2.7 comes with custom lens support made by Ronford Baker that supports the camera and lens on a unifying plate, caps, and a custom case for the lens. The lens is about 43lbs and needs a 2575 or 120ex to balance properly. Perfect for stage performances and night shoots.

Here’re some sample footage of the Clairmont ISCO 140-420mm T2.7:

The price listed on the FB group is $35,000. As explained, we don’t have any partnership/affiliate with the seller. We shared it as we think this lens is a very unique piece of glass and our readers would love to read about it.

Yossy is a filmmaker who specializes mainly in action sports cinematography. Yossy also lectures about the art of independent filmmaking in leading educational institutes, academic programs, and festivals, and his independent films have garnered international awards and recognition. Yossy is the founder of Y.M.Cinema Magazine.

Thanks for the press Yossy. We own Just Cinema Lenses FB page. Our website is http://www.justcinemagear.com We’ve bee in business for 30 years.

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